Answer:
The correct change is $ 2.75.
Step-by-step explanation:
Given,
The selling price = $ 12.42,
Also, the amount of money given by customer = $ 10 + $ 5 + 1 dime + 1 nickel + 2 pennies,
= $ 15 + $ 0.1 + $ 0.05 + $ 0.02 ( 1 dime = $ 0.1, 1 nickel = $ 0.05 and 1 penny = $ 0.01 )
= $ 15.17
Hence, the correct change = The amount of money given by customer - Selling price
= $ 15.17 - $ 12.42
= $ 2.75